ES

Eisuke Sugisawa

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,202,607 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6568536 Classifier and method for preparing toner Tetsuya Tanaka, Yoshihiro Saitoh, Kazuyoshi Morii 2003-05-27
5938045 Classifying device Nobuyasu Makino, Kenichi Uehara, Keiko Watanabe, Satoshi Okano, Kazuyuki Matsui 1999-08-17